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Top 5 Greatest Inventions Of All Time After the Wheel

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#5: Optical Lenses (13th Century)

Reflecting light through glass. Seems simple, right? While lenses were first put into play by the Egyptians, the precision and in-depth crafting of this method took a long time to perfect.

The invention pushed man’s reach even further, into the unseen world via microscopes and telescopes.

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